the standards for pollutants are based on ___.\npublic opinion\nthe presidents opinion\ncongresss…
the standards for pollutants are based on ___.\npublic opinion\nthe presidents opinion\ncongresss opinion\nscientific studies
Answer
Brief Explanations:
Pollutant standards are determined through scientific research. Public, presidential, or congressional opinions are less relevant than scientific evidence in setting these standards.
Answer:
scientific studies